title: Start-up of anaerobic ammonia oxidation bioreactor with nitrifying activated sludge.
mesh_terms: D000641:Ammonia / Q000378:metabolism*; D001421:Bacteria, Anaerobic / Q000502:physiology*; D019149:Bioreactors; D004867:Equipment Design; D010084:Oxidation-Reduction; D012722:Sewage / Q000382:microbiology*; D014865:Waste Disposal, Fluid / Q000379:methods
chemical_list: D012722:Sewage; D000641:Ammonia